<template>
  <div class="app-container">
    <h2 style="text-align: center">发布新课程</h2>
    <el-steps
      :active="3"
      process-status="wait"
      align-center
      style="margin-bottom: 40px"
    >
      <el-step title="填写课程基本信息" />
      <el-step title="创建课程大纲" />
      <el-step title="最终发布" />
    </el-steps>

    <div class="ccInfo">
      <img :src="publishCourse.cover" />
      <div class="main">
        <h2>{{ publishCourse.title }}</h2>
        <p class="gray">
          <span>共{{ publishCourse.lessonNum }}课时</span>
        </p>
        <p>
          <span
            >所属分类：{{ publishCourse.subjectLevelOne }} —
            {{ publishCourse.subjectLevelTwo }}</span
          >
        </p>
        <p>课程讲师：{{ publishCourse.teacherName }}</p>
        <h3 class="red">￥{{ publishCourse.price }}</h3>
      </div>
    </div>

    <div>
      <el-button @click="previous">返回修改</el-button>
      <el-button :disabled="saveBtnDisabled" type="primary" @click="pushCourse"
        >发布课程</el-button
      >
    </div>
  </div>
</template>
<script>
import course from "../../../api/edu/course";
export default {
  data() {
    return {
      saveBtnDisabled: false, // 保存按钮是否禁用
      courseId: "", //课程Id
      publishCourse: {}, //课程发布信息
    };
  },
  created() {
    if (this.$route.params && this.$route.params.id) {
      //获取路由id
      this.courseId = this.$route.params.id;

      console.log(this.courseId);
      //根据课程id 获取课程确认的课程信息
      this.getCoursePublishInfo();
    }
  },
  methods: {
    //发布课程
    pushCourse() {
      course
        .publishCourse(this.courseId)
        .then((response) => {
          this.$message({
            type: "success",
            message: "发布成功",
          });

          //跳转到 某某某
        })
        .catch((response) => {
          this.$message({
            type: "erros",
            message: "发布失败",
          });
        });
    },
    //根据课程id 获取课程确认的课程信息
    getCoursePublishInfo() {
      course
        .coursePublishInfoById(this.courseId)
        .then((response) => {
          this.publishCourse = response.data.publishVo;
          console.log(this.publishCourse);
        })
        .catch((response) => {
          this.$message({
            type: "error",
            message: "获取课程信息失败",
          });
        });
    },
    previous() {
      console.log("previous");
      this.$router.push({ path: "/course/chapter/" + this.courseId });
    },
    publish() {
      console.log("publish");
      this.$router.push({ path: "/course/list" });
    },
  },
};
</script>

<style scoped>
.ccInfo {
  background: #f5f5f5;
  padding: 20px;
  overflow: hidden;
  border: 1px dashed #ddd;
  margin-bottom: 40px;
  position: relative;
}
.ccInfo img {
  background: #d6d6d6;
  width: 500px;
  height: 278px;
  display: block;
  float: left;
  border: none;
}
.ccInfo .main {
  margin-left: 520px;
}
.ccInfo .main h2 {
  font-size: 28px;
  margin-bottom: 30px;
  line-height: 1;
  font-weight: normal;
}
.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}
.ccInfo .main p {
  margin-bottom: 10px;
  word-wrap: break-word;
  line-height: 24px;
  max-height: 48px;
  overflow: hidden;
}
.ccInfo .main h3 {
  left: 540px;
  bottom: 20px;
  line-height: 1;
  font-size: 28px;
  color: #d32f24;
  font-weight: normal;
  position: absolute;
}
</style>